GE akta start, Руководство по обслуживанию

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5.6 Buffer valve
Description
The Buffer valve can be switched to allow the inlet of either buffer A or buffer B, or a
mixture of A and B (gradient).
Description Parameter
•
Indicates how many times the valve has switched be-
tween buffer A or buffer B.
•
When a valve has been replaced, the number of counts
has to be reset to 0.
•
Turn valve switches the valve between its two posi-
tions, for example the A and B inlet ports. This option
is used for troubleshooting the valve.
Valve switches
Instructions
Follow the instructions below to check if the Buffer valve functions properly.
Action Step
•
Immerse the buffer inlet tubing A and B in demineralized water.
•
Place the outlet tubing from the Wash valve in the waste bottle.
1
Start the Pump: 2
•
In the Settings and service screen, access Pump:Diagnostics screen.
•
Enter the desired flow rate and then start the Pump by tapping Start
flow, and then tap Back:Back to return to the Settings and service
screen.
82 ÄKTA start Maintenance Manual 29-0603-08 AC
5 Service and settings
5.6 Buffer valve